senator and to the president of the united states. i remember in 2001, a lot of other people around here had to take the anti-biotic around here because of the scare. but ricin is similar in everybody watching a very big event, and something else happening, but also gets everybody on pins and needles. >> stay right there, brianna keilar god added information. >> we're just learning now asking about the connection here. according to the source, the letter addressed to president obama is very stloor thimilar t sent to senator wicker. we don't know exactly what that is, if it's the envelope, the handwriting, the message inside, it's interesting what dana did say that bears commenting on. in the wake of 9/11, where it was weeks later, and there were the anthrax, this is a little different because you see the attack on monday, and we don't know if there is a connection here, but the letters being received on tuesday. the letter addressed to president obama received. so obviously very close in time, and because of that, because of that prox